#143 – Jeffrey Lewis on the most common misconceptions about nuclear weapons

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Dec 29, 2022

Jeffrey Lewis, director of the East Asia Nonproliferation Program and founder of the Arms Control Wonk blog, breaks down the myth of 'mutually assured destruction' in nuclear strategy. He explains how U.S. military plans aim for dominance in a nuclear war, criticizing the flawed logic behind this approach. Lewis discusses the complexities of decision-making in nuclear policy, highlighting internal conflicts and the barriers to open dialogue within the nuclear community. He also calls for a reevaluation of strategies, especially regarding China and North Korea.

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INSIGHT

Counterforce vs. Countervalue: An Outdated Distinction

The distinction between counterforce and countervalue targeting is outdated and analytically flawed.
The US targets what enemies value while adhering to the law of armed conflict, not just nuclear forces.

INSIGHT

Relying on Secondary Sources

Effective altruism community members often rely on inaccurate secondary sources and draw incorrect inferences.
They also misunderstand political factors like US non-proliferation policies.

ANECDOTE

Launch on Warning vs. Launch Under Attack

The US military uses linguistic gamesmanship and gatekeeping, like calling launch on warning "launch under attack."
This obscures the reality of US nuclear posture and creates barriers to understanding.

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America aims to avoid nuclear war by relying on the principle of 'mutually assured destruction,' right? Wrong. Or at least... not officially.

As today's guest — Jeffrey Lewis, founder of Arms Control Wonk and professor at the Middlebury Institute of International Studies — explains, in its official 'OPLANs' (military operation plans), the US is committed to 'dominating' in a nuclear war with Russia. How would they do that? "That is redacted."

Links to learn more, summary and full transcript.

We invited Jeffrey to come on the show to lay out what we and our listeners are most likely to be misunderstanding about nuclear weapons, the nuclear posture of major powers, and his field as a whole, and he did not disappoint.

As Jeffrey tells it, 'mutually assured destruction' was a slur used to criticise those who wanted to limit the 1960s arms buildup, and was never accepted as a matter of policy in any US administration. But isn't it still the de facto reality? Yes and no.

Jeffrey is a specialist on the nuts and bolts of bureaucratic and military decision-making in real-life situations. He suspects that at the start of their term presidents get a briefing about the US' plan to prevail in a nuclear war and conclude that "it's freaking madness." They say to themselves that whatever these silly plans may say, they know a nuclear war cannot be won, so they just won't use the weapons.

But Jeffrey thinks that's a big mistake. Yes, in a calm moment presidents can resist pressure from advisors and generals. But that idea of ‘winning’ a nuclear war is in all the plans. Staff have been hired because they believe in those plans. It's what the generals and admirals have all prepared for.

What matters is the 'not calm moment': the 3AM phone call to tell the president that ICBMs might hit the US in eight minutes — the same week Russia invades a neighbour or China invades Taiwan. Is it a false alarm? Should they retaliate before their land-based missile silos are hit? There's only minutes to decide.

Jeffrey points out that in emergencies, presidents have repeatedly found themselves railroaded into actions they didn't want to take because of how information and options were processed and presented to them. In the heat of the moment, it's natural to reach for the plan you've prepared — however mad it might sound.

In this spicy conversation, Jeffrey fields the most burning questions from Rob and the audience, in the process explaining:
• Why inter-service rivalry is one of the biggest constraints on US nuclear policy
• Two times the US sabotaged nuclear nonproliferation among great powers
• How his field uses jargon to exclude outsiders
• How the US could prevent the revival of mass nuclear testing by the great powers
• Why nuclear deterrence relies on the possibility that something might go wrong
• Whether 'salami tactics' render nuclear weapons ineffective
• The time the Navy and Air Force switched views on how to wage a nuclear war, just when it would allow *them* to have the most missiles
• The problems that arise when you won't talk to people you think are evil
• Why missile defences are politically popular despite being strategically foolish
• How open source intelligence can prevent arms races
• And much more.

Chapters:

Rob’s intro (00:00:00)
The interview begins (00:02:49)
Misconceptions in the effective altruism community (00:05:42)
Nuclear deterrence (00:17:36)
Dishonest rituals (00:28:17)
Downsides of generalist research (00:32:13)
“Mutual assured destruction” (00:38:18)
Budgetary considerations for competing parts of the US military (00:51:53)
Where the effective altruism community can potentially add the most value (01:02:15)
Gatekeeping (01:12:04)
Strengths of the nuclear security community (01:16:14)
Disarmament (01:26:58)
Nuclear winter (01:38:53)
Attacks against US allies (01:41:46)
Most likely weapons to get used (01:45:11)
The role of moral arguments (01:46:40)
Salami tactics (01:52:01)
Jeffrey's disagreements with Thomas Schelling (01:57:00)
Why did it take so long to get nuclear arms agreements? (02:01:11)
Detecting secret nuclear facilities (02:03:18)
Where Jeffrey would give $10M in grants (02:05:46)
The importance of archival research (02:11:03)
Jeffrey's policy ideas (02:20:03)
What should the US do regarding China? (02:27:10)
What should the US do regarding Russia? (02:31:42)
What should the US do regarding Taiwan? (02:35:27)
Advice for people interested in working on nuclear security (02:37:23)
Rob’s outro (02:39:13)

Producer: Keiran Harris
Audio mastering: Ben Cordell
Transcriptions: Katy Moore